Chemical Cleaning Equipment‌ (0)

Disc Stack Centrifuge (0)

Domestic solar water heating system (0)

Double Cone Blender (0)

Dynamic Seal Ring (0)

Well Testing Equipment‌ /Tools (0)

Screw Compressors (0)

Decanter Centrifuge (0)

Dredging Robot (0)

Detection instrument (0)

Wellhead Tools，Oilfield Joints（Subs) (0)

Gas-Solid Separation (0)

Dissolved Air Flotation, DAF (0)

1 (0)

Production & Stimulation Equipment (0)

Dry Gas Seals (0)

Dimensional Metrology (0)

Double Shaft Paddle Gravity Mixer (0)

DC/AC Distribution Cabinet (0)

Drying equipment (0)

Reverse Osmosis Membrane Module (0)

Data Logger / SCADA (0)

Drill bit (1)

Drill pipe (0)

Drill Collars - DC (0)

Coiled Tubing Unit (CTU) (0)

Discharge / Drain valve (0)

Dynamic Sealing (0)

Diaphragm Valve (0)

Duckbill Valve (0)

Discharge Valve / Drain Valve (0)

Diaphragm Pump (0)

Double-pipe Condenser (0)

Drum Dryer (0)

Disc /Tray Dryer (0)

Demister Pad (0)

Dry Ice Blasting Machine (0)

Decanter / Skimmer (0)

Grit Chamber / Grit Tank (0)

Dissolved Air Flotation (0)

Desulfurization Equipment (0)

Denitrification / DeNOx Equipment (0)

Dust /Fume /Smoke /Mist dust collector (0)

Drawworks (0)

Drilling Jars (0)

Oilfield Tongs (0)

Float Sub (Downhole ) (0)

Desanders (2nd Stage) (0)

Desilters (3rd Stage) (0)

Degassers (Oilfield Mud） (0)

Multistage Centrifugal Pump (0)

Drilling Engineering Services (0)

Dynamic light scattering instrument (0)

Drop Tester (0)

Damper Test Bench (0)

Dielectric Breakdown Tester (0)

Differential Thermal Analyzer (DTA) ‌ (0)

Simultaneous Thermal Analyzer (STA) ‌ (0)

Static Thermomechanical Analyzer‌ (0)

Thermal Expansion Analyzer‌ (0)

Drip Resistance Tester (0)

DNA Synthesizer (0)

DNA Sequencer (0)

DNA Shearing System (0)

Digital Pathology Scanning (0)

Biological Microscope (0)

Well cleaning truck (0)

Operation auxiliary vehicle (0)

Radiation source transport vehicle (0)

Dew Point Moisture Analyzer / Dew Point Meter (0)

Dissolved Oxygen Meter (0)

Dissolved Oxygen (DO) Meter (0)

Dynamic Balancing Instrument (0)

Demulsibility Tester (0)

Drop Point Tester (0)

Ductilometer (0)

Dynamic Shear Rheometer (DSR) (0)

Drop Melting Point Tester (0)

Differential Scanning Calorimeter (DSC) (0)

Distillation Analyzer (0)

Drug stability and testing category (0)

Drug Stability Test Chamber (0)

Dissolution Tester (0)

Disintegration Tester (0)

Dimension Checker (0)

Degassing Unit (0)

Density Meter for Rubber/Plastics (0)

Dry Heat Shrinkage Tester (0)

Dye testing instrument (0)

Dynamic Compactor (0)

Deflectometer‌ (0)

Drop Weight Impact Tester (0)

Dynamic Stress Test (DST) System (0)

Digital Pressure Transmitter (0)

Diaphragm Pressure Gauge (0)

Differential Pressure Level Meter (0)

DeviceNet / ControlNet Gateway (0)

BACnet Gateway (0)

Distributed Control System (DCS) (0)

Die Cutting / Notching Machine (0)

Drive Train（Wind Power） (0)

Draft Tube (0)

Dry Steam Power Plant (0)

Load Break Switch (0)

Distribution Transformer (0)

DC Motor (0)

Diesel engine (0)

Disconnector (0)

Distribution panel /Box‌ (0)

Die Collar (0)

Other (0)

1 (0)

1 (0)

Downhole Pressure Gauge (0)

Downhole Temperature Gauge (0)

Downhole Sampler (0)

Degasser (0)

Desander (0)

Desilter (0)

Driller's Readout / Driller's Display (0)

Downhole Memory Tool / Memory Mode (0)

Data Monitoring System (0)

Data Acquisition System (0)

Depth Measurement System (0)